The Split Sleeve Firestop System is a UL-tested retrofit solution for firestopping and smoke sealing cables installed without a sleeve through firewalls. The system includes threaded sleeves in various diameters, washers, couplings, split bushings, putty, and labels. To install, clean the penetration, insert the sleeve halves around the cables maintaining polarity, add washers and couplings on each side, fill with putty, and apply labels.

1. Split Sleeve Firestop
System Installation

2. UNIQUE Split Sleeve Firestop System
is a UL tested retrofit solution
designed for sleeving, firestopping
and smoke sealing cables or wires
already installed without a sleeve and
in violation of the firewall rating.

3. The system includes:
(2) 12 inch long threaded 1/2 sleeves
(4) slotted washers
(2) slotted couplings
(2) split bushings
2 documentation/
warning labels
a package of
UNIQUE Intumescent Putty

4. The threaded sleeves comes in 4-inches,
2-inches, and 1-inch diameter.

5. INSTALLATION PICTORIAL

6. A common penetration
violation in a sheet
rock firewall. A Sleeve
will control and direct
the expansion of the
fire-rated intumescent
putty. Without a
sleeve, this penetration may fail to restore
the hourly rating of this wall.

7. Clean-up the firewall penetration (both sides
of wall) ensuring not to nick the cable
jacket(s).

8. After you clean up the hole, slide the bottom
half of the threaded sleeve under the
cables. Look for the machine holes near the
ends of the sleeve halves to maintain polarity.

9. Slide the top half over the cables, maintaining
sleeve polarity, until both halves protrude
evenly. Position the sleeve with the seams at 9
and 3 o’clock.

10. Work the cables through the slot in the first
washer and work the washer down the sleeve,
against the wall. The first washer’s slot should
be positioned at the 6 o’clock position.

11. Install the second slotted washer, inverting
the slots 180 degrees from each other (12
o’clock).

12. Work the slotted coupling around the cables
(again, maintaining polarity) and screw it down
against the washers. The coupling should be
hand tightened only. Repeat this procedure on
the other side of the wall.

13. Install the “split bushings”, taking care not to
open the bushing any more than is needed to
get the cables in.

14. Install a minimum 1-inch thickness of the
supplied UNIQUE intumescent firestop putty in
both ends of the Sleeve System.
See our UL Systems documentationfor Systems rated up to 4 hours.
Intumescent putty is supplied with the system.

15. Install the documentation labels provided
with the system and take a picture of your
installed system.

16. NOW BRING ON THE
INSPECTOR!

17. Visit our websitefor more firestop products
and completeinstallation pictorials.
https://www.uniquefirestop.com/